presented at the XIVth European Congress on Molecular Spectroscopy, Frankfurt/Main, 3-7 September 1979 ; edited by F. J. Comes, A. Müller, W. J. Orville-Thomas

Elsevier Scientific Pub. Co , Distributors for the U.S. and Canada, Elsevier/North Holland 1980 Studies in physical and theoretical chemistry v. 8

Available at 22 libraries

Institut d'astrophysique 1970 Les Congrès et colloques de l'Université de Liège

Available at 3 libraries

by the International Union of Pure and Applied Chemistry in conjunction with Danish Association of Molecular Spectroscopy

Butterworths 1965

Available at 13 libraries